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  1. North America is the third-largest continent by area, following Asia and Africa, and the fourth by population after Asia, Africa, and Europe. In 2013, its population was estimated at nearly 579 million people in 23 independent states, or about 7.5% of the world's population.

  2. Contemporary political/physical map of North America. History of North America encompasses the past developments of people populating the continent of North America. While it was widely believed that continent first became a human habitat when people migrated across the Bering Sea 40,000 to 17,000 years ago, [1] recent discoveries may have ...

  3. North America is a large continent in the Northern and Western Hemispheres of Earth. It is to the east of the Pacific Ocean, the west of the Atlantic Ocean, the south of the Arctic Ocean, and it is the northern part of the Americas. The southernmost part is Central America. It is the third largest continent in the world, after Asia and Africa.

    • Around 24.71 million km2
    • 528,720,588 (2008)
    • $20.3 trillion (201moo3)
    • 21.4/km² (55/sq mi)
    • Overview
    • Paleogeography
    • Physiography
    • Surface and climate
    • Deserts
    • Zoology

    North America is the third largest continent, and is also a portion of the third largest supercontinent if North and South America are combined into the Americas and Africa, Europe, and Asia are considered to be part of one supercontinent called Afro-Eurasia. With an estimated population of 580 million and an area of 24,709,000 km2, the northernmos...

    Seventy percent of North America is underlain by the Laurentia craton, which is exposed as the Canadian Shield in much of central and eastern Canada around the Hudson Bay, and as far south as the U.S. states of Michigan, Wisconsin, and Minnesota. The continental crust started to form 4 billion years ago, and six of the microcontinents collided to f...

    North America may be divided into at least five major physiographic regions: Canadian Shield This is a geologically stable area of rock dating between 2.5 and 4 Gya that occupies most of the northeastern quadrant, including Greenland.

    The Great Plains is the broad expanse of prairie and steppe which lies east of the Rocky Mountains in the United States and Canada. The narrow plains in the Mexican coast and the savannas of the Mississippi are analogous to, respectively, the Patagonian Steppes and the pampas of the Piranha, Paraguay, and Rio de la Plata. Thus the Appalachians and ...

    The Sierra Nevada and Cascade mountain ranges run along the entire Pacific Coast, acting as a barrier to the humid winds that sweep in from the ocean. The rising topography forces this air upwards, causing moisture to condense and fall in the form of rain on the western slopes of the mountains, with some areas receiving more than 70 inches of rainf...

    North America is home to many native mammal species. Several species of deer, including elk, caribou, moose, mule deer, and the abundant white-tailed deer are found throughout various regions, along with the bison in the central plains and the and musk ox in the Arctic tundra. Three species of bear, several subspecies of wolf, and various other car...

  4. Northern America is the northernmost subregion of North America. The boundaries may be drawn slightly differently. In one definition, it lies directly north of Middle America (including the Caribbean, Central America, and Mexico ). [2] Northern America's land frontier with the rest of North America then coincides with the Mexico–United States ...

    • 21,780,142 km² (8,409,360 sq mi)
    • 375,278,947 (2021 est.)
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  6. The History of North America deals with an area where humans came to live relatively recently, compared to Africa, Europe, and Asia . Scientists have different theories as to the origins of the early human population of the continent. The indigenous peoples of North America themselves have many creation stories, that tell that native Americans ...

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